MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains a link farm and a malicious redirector URL, indicating a phishing or scam attempt. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK specifically flags the ttraff.com URL as malicious. The presence of a 'download button' lure further supports a social engineering attack. The document body, though heavily obfuscated, contains the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.com/pify?keyword=assembler+language+tutorial+pdf In PDF document text
- http://files.huntingthewinds.com/uploads/1/3/1/3/131381607/situf.pdfIn PDF document text
- http://files.hprcsc.org/uploads/1/3/1/3/131398555/eb45407acbc2da.pdfIn PDF document text
- http://files.uusintaensemble.fi/uploads/1/3/1/8/131858044/8920717.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kulabegidubonigupux.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vaxopegi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9577/5650/files/89320518157.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/9341/7366/files/fovaforutefuzogimab.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6822/7737/files/xuzasonel.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/8502/8764/files/hak_asasi_manusia_dalam_kesehatan.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8866/7039/files/wijabusopinalumijujaso.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8852/7013/files/76684048499.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2965/9797/files/resume_format_for_marketing_manager.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nawujumukupuzuwoxelojoses.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2741/4696/files/fumusokilevibesujivu.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016971.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16971 | 5372 bytes |
SHA-256: 2963bb164216b0473ffaaf3220880c506194b32c082e04abcf825fde59f49586 |
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font_01_sfnt_off00017b8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17B8F | 14364 bytes |
SHA-256: 0e5320359dd0d040678745698e4597999fe59ddeee4d2479d68b6d013504c480 |
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font_02_sfnt_off0001a919.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A919 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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